Let's face it: drawing circles is hard. Our minds are programmed to love the symmetry of the shape, but our hands just can't make it perfect. We're so inadequate at drawing circles, scientists have ...

When you want to draw a round circle accurately, you need to use a tool such as a compass, and drawing it freehand in one shot is extremely difficult. ' Draw a Perfect Circle ' is a service that ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...